title: Trace element residues in eggs of Little Egret (Egretta garzetta) and Black-crowned Night Heron (Nycticorax nycticorax) from Hong Kong, China.
mesh_terms: D000818:Animals; D001717:Birds; D004784:Environmental Monitoring; D005260:Female; D006723:Hong Kong; D010063:Ovum / Q000737:chemistry*; D012016:Reference Values; D014131:Trace Elements / Q000032:analysis*
chemical_list: D014131:Trace Elements